Welcome to 5e Jump Calculator, a straightforward online tool designed to tackle a surprisingly fiddly D&D 5e rule: out jumps.

If you’ve ever halted the action to dig through the PHB, debated if that chasm is actually jumpable, or tried to remember how Strength and movement interact, this site is for you.

What Is 5e Jump Calculator?

5e Jump Calculator is a free web tool that takes the 5e jump rules and does the math for you.

You plug in your character’s stats—like Strength score, height, and a few relevant conditions—and the calculator spits out your:

Maximum long jump distance

High jump height

Maximum reach during a jump

Other useful jump-related numbers based on the official rules

No back-of-the-napkin math, no rules confusion—just clean numbers you can rely on.

The Story Behind the Site

This site was born from repeated rules questions at the table.

As a D&D fan who runs and joins games, I kept running into the same situation:

A character wants to do something cool and cinematic with a jump, we all pause to look up the details.

The 5e rules for jumping aren’t especially complicated, but they are easy to forget. I found myself reaching for the PHB over and over again, so I took the obvious next step: I wrote a little web app.

5e Jump Calculator started as a personal helper, and then I decided to share it in case other tables were running into the same problem.

How the Calculator Handles the Rules

This tool follows the official Dungeons & Dragons 5th Edition jumping rules found in the Player’s Handbook. In simple terms, it:

Uses your Strength to set how far and how high you can jump

Accounts for running vs standing jumps

Uses your height for realistic reach calculations

Sticks closely to RAW and avoids house-rule shortcuts

You don’t need to know the exact formula. The calculator handles it and outputs just what you need for play.

How to Use It at Your Table

5e Jump Calculator is meant to be:

Fast enough to use mid-session

Accessible for beginners

Trustworthy enough for rules-focused groups

You can use it to:

Verify a jump before the roll

Plan interesting movement options during encounter prep

Keep cinematic moments moving without arguing over distances

Just enter the stats and read the output. It’s meant to support your game quietly, not slow you down with options.

Where This Might Go

Right now, 5e Jump Calculator is focused on doing one thing well: it calculates jumps accurately and clearly.

In the future, I plan to:

Expand into other movement calculators

Cover more special abilities and conditions

Polish the interface and add small quality-of-life features

If you find a bug, or if you have a suggestion, you’re welcome to contact me. This site is meant to make your games smoother, and your input directly guides future changes.

Thanks for using 5e Jump Calculator. Here’s hoping it keeps your sessions moving and your jumps heroic.